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authorJoe Perches <joe@perches.com>2007-11-10 21:36:04 -0800
committerDavid S. Miller <davem@davemloft.net>2007-11-10 21:36:04 -0800
commite9671fcb3bef1fe2e71aa0456bd5b7eec9e8de4d (patch)
treea90b0faa96659acb47468cba910311e370158980 /net/core/dev_mcast.c
parent[NET]: Make helper to get dst entry and "use" it (diff)
downloadlinux-dev-e9671fcb3bef1fe2e71aa0456bd5b7eec9e8de4d.tar.xz
linux-dev-e9671fcb3bef1fe2e71aa0456bd5b7eec9e8de4d.zip
[NET]: Fix infinite loop in dev_mc_unsync().
From: Joe Perches <joe@perches.com> Based upon an initial patch and report by Luis R. Rodriguez. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--net/core/dev_mcast.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index ae354057d84c..647973daca2b 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -168,13 +168,13 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from)
da = from->mc_list;
while (da != NULL) {
next = da->next;
- if (!da->da_synced)
- continue;
- __dev_addr_delete(&to->mc_list, &to->mc_count,
- da->da_addr, da->da_addrlen, 0);
- da->da_synced = 0;
- __dev_addr_delete(&from->mc_list, &from->mc_count,
- da->da_addr, da->da_addrlen, 0);
+ if (da->da_synced) {
+ __dev_addr_delete(&to->mc_list, &to->mc_count,
+ da->da_addr, da->da_addrlen, 0);
+ da->da_synced = 0;
+ __dev_addr_delete(&from->mc_list, &from->mc_count,
+ da->da_addr, da->da_addrlen, 0);
+ }
da = next;
}
__dev_set_rx_mode(to);